The solutions taken in test tubes A) Milk in water , B) Baking soda in Water , C) Vinegar in Water and D)  Glucose in Water . What colour is expected when a piece of red litmus paper is dropped in each test tube?

No change, blue,red,red
  • -2
All of the above all make no change
  • -5
A no change, B red, C no change, D no change
  • -2
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